MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4617c92f3e9119c092514f717aed451b5a387110f258a53deb9fb396ac5e35f4. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


RemcosRAT


Vendor detections: 14


Intelligence 14 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4617c92f3e9119c092514f717aed451b5a387110f258a53deb9fb396ac5e35f4
SHA3-384 hash: 58e7973694922b5aa845bfa2045fc7c1b673ab244645645fdb8a70370436eb881ad4ec0de19025e889241ea474da9470
SHA1 hash: 46440754c8e946bd7748d74ce20fba7234dd6064
MD5 hash: 6cfd6558634a9284db58748c53c7cf7c
humanhash: september-don-delaware-illinois
File name:HBC.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:641'536 bytes
First seen:2021-10-25 10:47:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:GC8G/oTxILG6d1dD7FV39e++0ROf/Q5tNnZPt1q//AIW67VDsxg/:bQTybHDxze++SOA5tNZF83A
Threatray 2'133 similar samples on MalwareBazaar
TLSH T1C6D4E0993664729FC50BDA3299640D60BB60BCBB430BD30BA497399D4D3F6878F351B2
Reporter madjack_red
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
218
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
274409cf6033922a99b4d44eb8c529234518137fe85f95e82af0ccb7560b4b62.xlsx
Verdict:
Malicious activity
Analysis date:
2021-10-25 01:48:03 UTC
Tags:
exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/91db0412-2f80-4df4-8462-04de7e270c78

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/199870/
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.20279.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6176a39a9a5a1e91c5d20dd2/reports/b77f7f59-9977-4caa-84c6-7f3b8e7f032d/overview
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7f9e21b7-2e60-4d31-bc2d-62a594d942ee
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/876186
Signature
Contains functionality to capture and log keystrokes
Contains functionality to detect virtual machines (IN, VMware)
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Detected Remcos RAT
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 508617 Sample: HBC.exe Startdate: 25/10/2021 Architecture: WINDOWS Score: 100 52 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Detected Remcos RAT 2->56 58 4 other signatures 2->58 9 HBC.exe 3 2->9         started        13 fsd.exe 2 2->13         started        15 fsd.exe 2 2->15         started        process3 file4 44 C:\Users\user\AppData\Local\...\HBC.exe.log, ASCII 9->44 dropped 66 Contains functionality to detect virtual machines (IN, VMware) 9->66 68 Contains functionality to steal Chrome passwords or cookies 9->68 70 Contains functionality to capture and log keystrokes 9->70 74 2 other signatures 9->74 17 HBC.exe 1 4 9->17         started        72 Injects a PE file into a foreign processes 13->72 20 fsd.exe 13->20         started        22 fsd.exe 15->22         started        signatures5 process6 file7 40 C:\Users\user\AppData\Roaming\fsd.exe, PE32 17->40 dropped 42 C:\Users\user\...\fsd.exe:Zone.Identifier, ASCII 17->42 dropped 24 cmd.exe 1 17->24         started        process8 signatures9 62 Uses ping.exe to sleep 24->62 64 Uses ping.exe to check the status of other devices and networks 24->64 27 fsd.exe 3 24->27         started        31 PING.EXE 1 24->31         started        34 conhost.exe 24->34         started        process10 dnsIp11 46 C:\Users\user\AppData\Local\...\fsd.exe.log, ASCII 27->46 dropped 76 Machine Learning detection for dropped file 27->76 78 Contains functionality to steal Chrome passwords or cookies 27->78 80 Contains functionality to capture and log keystrokes 27->80 82 2 other signatures 27->82 36 fsd.exe 1 1 27->36         started        50 127.0.0.1 unknown unknown 31->50 file12 signatures13 process14 dnsIp15 48 gdyhjjdhbvxgsfe.gotdns.ch 37.0.10.15, 1996, 49755, 49831 WKD-ASIE Netherlands 36->48 60 Installs a global keyboard hook 36->60 signatures16
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4617c92f3e9119c092514f717aed451b5a387110f258a53deb9fb396ac5e35f4/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-10-25 05:43:06 UTC
AV detection:
23 of 45 (51.11%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=iyl4slz6sem4besrj5yxv3kfdnndq4iq6jmkkpplt6zznlc6gx2a._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
4c11b7fb217b3675e60d659ce0a2c3eee1bdbd3e3ddba1ad6d762878f62534d1
RemcosRAT
5b474ca6fc8158bd6f14d53bca8962f25db3392dfe324f49ddf376610bd785e4
RemcosRAT
5f4e4a43a01b235d781c6888198b18750529dda9fc4727727940115090e06a6d
RemcosRAT
885e34ff7befbdcdb027a017843cbacdba7eebb34d3df2e3113cceb9adafe8b5
RemcosRAT
ac7d008a3ac44bc8dfe3edbbc8542ed5b51bcf911b67eb8e9a715ebb5250ad27
RemcosRAT
ce4962d3126223b4bd68704159cbdc7479fb2df4263fb9f3d57492e770b74a94
RemcosRAT
d2a1375e9e0c3c8fbc3496cb6c1690e2c47d167a5cac476b528ad2c051f85a52
RemcosRAT
ed3a96630761ee25131c40b747f50fc55aa85d5e8f631f71bbfc901dd96bac13
RemcosRAT
eeddb4eb1252a45f5a8246d68dc6557f3e0c6f264a0a6f42e81d041c53864a48
RemcosRAT
ff91b720363ded7601beba0c3b9f73c4cd677c79e88f9b82113073d0691df7a9
RemcosRAT
+ 2'123 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:host persistence rat
Link:
https://tria.ge/reports/211025-mv4qvagad5/
Behaviour
Runs ping.exe
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
gdyhjjdhbvxgsfe.gotdns.ch:1996
Unpacked files
SH256 hash:
90d7ea4b2df9e5c7032cc7a3b54f7d0618b5f8d43aae90217d757d0e8017243b
MD5 hash:
710663ba81ef2b21936316d7d4da81d5
SHA1 hash:
f14346489fe02ad1a6a7927f64652087a2eedb61
Link:
https://www.unpac.me/results/207203f4-9165-4bd7-aa60-6b4c9b2c923f/
SH256 hash:
5acbb1ef9537ebbcc457ee4f9285bbb8aef9ebf8597b167338f75e116acea69d
MD5 hash:
d7bd9b52bebc45e7851ce9e98853ef7a
SHA1 hash:
71bc1a0b723f78290f4dbf4fb5ddeed2eb67b8ea
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/207203f4-9165-4bd7-aa60-6b4c9b2c923f/
Parent samples :
248a810cd338e14e7cc0753a34b254dff29361b35fa0355df4f9418b33d24b7e
4617c92f3e9119c092514f717aed451b5a387110f258a53deb9fb396ac5e35f4
SH256 hash:
6fee24a1398bb022d0c5b9059b9b21e7636fc3861866a583d0e49b7d0ca56d58
MD5 hash:
36e2528c3cb3ad299ea481283687cdd6
SHA1 hash:
1981340bc7be1aa8f78f942fc6f0724838e35a87
Link:
https://www.unpac.me/results/207203f4-9165-4bd7-aa60-6b4c9b2c923f/
SH256 hash:
4617c92f3e9119c092514f717aed451b5a387110f258a53deb9fb396ac5e35f4
MD5 hash:
6cfd6558634a9284db58748c53c7cf7c
SHA1 hash:
46440754c8e946bd7748d74ce20fba7234dd6064
Link:
https://www.unpac.me/results/207203f4-9165-4bd7-aa60-6b4c9b2c923f/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/4617c92f3e91/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/4617c92f3e9119c092514f717aed451b5a387110f258a53deb9fb396ac5e35f4

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

RemcosRAT

Executable exe 4617c92f3e9119c092514f717aed451b5a387110f258a53deb9fb396ac5e35f4

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/199870/
  
URLhaus
https://urlhaus.abuse.ch/url/1712507/
  
Delivery method
Distributed via web download

Comments